Real-time. No post-processing.

This is what it looks like on your phone, right now.

What It Does

Touch

Drag to attract organisms. Watch them swarm and scatter.

3D Physarum

Volumetric organic structures. Orbit, zoom, walk through.

30+ ShadersPRO

Infrared. Holographic. Liquid metal. Bioluminescence. Handcrafted.

AR ModePRO

Grow simulations on your table, floor, or wall.

Photo ModePRO

Pro exposure, contrast, cinematic filters. Wallpaper-quality.

Tune Everything

Dozens of parameters. Every slider changes behavior in real-time.

120fps Metal

ProMotion. HDR. MetalFX upscaling. Retina resolution.

Four Species

Each one follows different rules. None of them do what you expect.

Physarum

Slime mold agents that sense, turn, and leave glowing trails in 2D and 3D

Lenia

Smooth continuous life — alien creatures born from pure mathematics

Gray-Scott

Reaction-diffusion chemistry that grows coral, spots, and labyrinths

Particle Life

Emergent ecosystems where species attract, repel, and orbit each other

Honest Pricing

No subscriptions. No ads. No tricks.

Free
$0 forever
  • All 4 cellular automata
  • 3D physarum
  • 3 render modes
  • All hyperparameters
  • Touch interaction
Premium
$3.99 once
  • Everything free, plus:
  • 30+ render modes
  • AR mode
  • Pro photo mode
  • All future updates

Let something grow.

iPhone & iPad. Free to explore.

Download Cell Zoo

Need Help?

Bug? Idea? Anything at all.

Terms of Use

License

Cell Zoo grants you a personal, non-transferable license to use the app on your Apple devices. You may not redistribute, reverse-engineer, or modify the app.

Purchases

The premium upgrade is a one-time in-app purchase processed by Apple through the App Store. Refunds are handled exclusively through Apple's refund process.

Intellectual Property

All content, shaders, simulations, and visual output generated by Cell Zoo are the property of svetim.fm. Screenshots and recordings you create from the app are yours to use freely.

Disclaimer

Cell Zoo is provided "as is" without warranty of any kind, express or implied. We are not liable for any damages arising from your use of the app.

Changes

We may update these terms at any time. Continued use of the app constitutes acceptance of updated terms.

Contact

support@cellzoo.app

Last updated March 2026

Privacy Policy

Data Collection

Cell Zoo does not collect, store, or transmit any personal data. We have no servers, no analytics, no tracking, and no accounts.

Camera

Camera access is used exclusively for the AR mode to overlay simulations on real-world surfaces. Camera frames are processed entirely on-device and are never recorded, stored, or transmitted.

Purchases

In-app purchases are processed entirely by Apple. We do not receive or store any payment information, billing details, or Apple ID data.

Third Parties

Cell Zoo does not include any third-party SDKs, analytics frameworks, advertising networks, or data brokers. Zero.

Children

Cell Zoo does not knowingly collect information from children. The app contains no user-generated content, social features, or data collection of any kind.

Contact

Questions about this policy? support@cellzoo.app

Last updated March 2026